1N5291-1 Overview
The 1N5291-1 is a silicon Zener diode designed for voltage regulation and reference applications in electronic circuits. This device features a nominal Zener voltage of approximately 27 volts, providing stable voltage clamping under various load conditions. Its robust construction supports a maximum power dissipation of 5 watts, making it suitable for medium-power applications where precise voltage control is essential. The diode??s reliable breakdown voltage and low leakage current ensure enhanced circuit stability and protection. Engineers and sourcing specialists will find this device ideal for industrial voltage regulation tasks requiring consistent performance and durability. For comprehensive product sourcing and technical details, visit IC Manufacturer.
1N5291-1 Technical Specifications
| Parameter | Specification |
|---|---|
| Zener Voltage (Vz) | 27 V (Nominal at 25 mA) |
| Maximum Power Dissipation (Pd) | 5 W |
| Test Current (It) | 25 mA |
| Maximum Zener Current (Izm) | 200 mA |
| Leakage Current (Ir) | ?? 100 ??A at 20 V reverse voltage |
| Thermal Resistance Junction to Ambient (R??JA) | 50 ??C/W |
| Operating Temperature Range | -65 ??C to +200 ??C |
| Package Type | DO-41 axial lead |
1N5291-1 Key Features
- Stable Voltage Regulation: Maintains a consistent 27 V breakdown voltage, ensuring reliable voltage reference for various control circuits.
- High Power Dissipation Capability: Supports up to 5 watts, enabling use in circuits with moderate power demands without risk of thermal failure.
- Wide Operating Temperature Range: Operates effectively from -65 ??C to +200 ??C, suitable for harsh industrial environments.
- Low Leakage Current: Minimizes undesired current flow under reverse bias, enhancing overall circuit efficiency and performance.
1N5291-1 Advantages vs Typical Alternatives
This device offers superior power handling and stable voltage regulation compared to typical low-power Zener diodes. Its robust thermal characteristics and low leakage current improve reliability in industrial applications. The axial DO-41 package facilitates easy integration and efficient heat dissipation, making it a preferred choice where precision and durability are critical.
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Typical Applications
- Voltage regulation in power supplies and electronic control circuits, providing a steady voltage reference to protect sensitive components.
- Surge protection devices, limiting voltage spikes and preventing damage in industrial automation systems.
- Voltage clamping in signal conditioning circuits to maintain signal integrity under varying load conditions.
- Reference voltage source in instrumentation and measurement devices requiring precise voltage stability.
1N5291-1 Brand Info
The 1N5291-1 is a well-established product within the semiconductor industry, recognized for its consistent electrical characteristics and durability. Manufactured by leading suppliers specializing in discrete semiconductor components, it exemplifies quality and reliability in voltage regulation applications. Its widespread availability and trusted performance make it a staple component for engineers designing robust industrial and commercial electronic systems.
FAQ
What is the maximum power dissipation for this diode?
The maximum power dissipation rating is 5 watts. This allows the device to handle moderate power levels safely when properly mounted and cooled, making it suitable for a variety of voltage regulation purposes.
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What package type does this diode use?
This component is housed in a DO-41 axial lead package, which allows for straightforward installation in through-hole circuit boards and facilitates effective heat dissipation.
What is the typical Zener voltage for this device?
The nominal Zener voltage is approximately 27 volts measured at a test current of 25 milliamps. This voltage level is ideal for medium voltage regulation and reference applications.
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How does the operating temperature range enhance application versatility?
The wide operating temperature range from -65 ??C up to +200 ??C enables reliable performance in extreme environmental conditions, such as industrial or automotive settings where temperature fluctuations are common.
What makes this diode suitable for voltage reference applications?
Its stable breakdown voltage, low leakage current, and consistent performance under varying load conditions ensure that it provides a precise and reliable voltage reference, critical for maintaining circuit accuracy and stability.
